[composer] Set dependencies for 5.0.3 release.

Author: runner

composer.json

@@ -17,7 +17,7 @@
     "require-dev": {
         "composer/composer": "^2.0.8",
         "ibexa/code-style": "~2.0.0",
-        "ibexa/rector": "~5.0.x-dev",
+        "ibexa/rector": "~5.0",
         "phpstan/phpstan": "^2.0",
         "phpstan/phpstan-phpunit": "^2.0",
         "phpstan/phpstan-webmozart-assert": "^2.0",
@@ -65,4 +65,4 @@
         },
         "class": "Ibexa\\PostInstall\\PostInstall"
     }
-}
+}